PV + Tesla battery cost has been less than the grid
Author: Source: Datetime: 2016-12-09 10:46:11
Tesla launched the latest storage available in Australia to battery Powerwall2.0, its storage capacity reached 14 kwh, the price of $5500 ($8800), all installed a total investment of $10300. Compared to Powerwall1.0 a year ago, the unit energy storage costs have declined by 50%.
So, in Australia, the use of "photovoltaic + Tesla Battery + grid" power supply and simply from the power grid to buy electricity from the cost to see whether it is cost-effective to do? We in the Nan'ao capital of Adelaide as an example, assuming the residents' annual consumption of 4800 kwh, installed 5KW photovoltaic system (operation cost 20 years of life, the initial investment of 20%), battery storage Powerwall installation costs $10300 (10 years). Full year operation of solar power generation 8373 kwh, of which 3773 kwh sold to the grid, only in the case of insufficient energy storage capacity to buy electricity from the power grid 200 kwh. In this way, the PV + Tesla Battery + grid power supply cost has been slightly less than all of the electricity from the grid, with the PV + energy storage on the basic can meet the demand.
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